Multiple filling defects within a ureter, as seen on conventional IVU or CT IVU, have a relatively small differential which can be learned using this mnemonic:
- CUT SLIM
Mnemonic
- C: clots
- U: ureteritis cystica
- T: transitional cell carcinoma (TCC)
- S: stones, Stevens-Johnson syndrome
- L: leukoplakia
- I: indentation of vessels
- M: malacoplakia